Home / 5,720.19-8,564.10-3,635.02

Finding the Fourth Proportional to 5,720.19, 8,564.10 and 3,635.02

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Solution

The fourth proportional to 5,720.19, 8,564.10 and 3,635.02 is: 5,442.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,720.19 : 8,564.10 = 3,635.02 : x
  2. Step 2: Convert to fraction form
    5,720.19/8,564.10 = 3,635.02/x
  3. Step 3: Cross multiply
    5,720.19x = 8,564.10 × 3,635.02
  4. Step 4: Simplify right side
    5,720.19x = 31,130,674.78
  5. Step 5: Solve for x
    x = 31,130,674.78/5,720.19
  6. Step 6: Final answer
    x = 5,442.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.